Using Overlays

Effective Overlay Use Modifying Overlays Moving Objects Between Overlays Frozen Overlays

Overlays are different layers of your drawing that can be selectively viewed or hidden. They can make producing several variants of the same map very easy. You can think about them as computer controlled transparencies. All actions with overlays are controlled by the overlay toolbar.

Every view that you create preserves the state of visible and frozen overlays. You can make multiple views to easily switch back and forth between multiple sets of overlays that you commonly enable together.

Every object you add to a map belongs to an overlay. Hiding an overlay hides every object belonging to the overlay, and the same with viewing an overlay. Although you cannot normally see what overlay an object belongs to, the settings toolbar has a button () for quick toggling of an overlay display mode. There are two methods of displaying the overlay, which you can set to your preference.

Some ways you can use overlays to your advantage: